Latch for vehicle doors



W1 www y W L? @im MM a Aug. 25, 1925. 1,551,032

'R.f v-.fKAlMER LATCH Fon VEHICLEQDOORS Filed Febl, 5, 1925A 2Sheets-Shaat l 4 A AAA A Aug. 25, 1925. 1,551,032 R.`V. KAIMER 1 LATCHFOR VEHICLE DOORS Filed Feb, 5. 1925 2 Sheets-Shoot 2 Patented Aug. 25,1925.

RICHARD V. KAIMER, 0F NEVI HAVEN, CGNNEC'IICUT, ASSIG'NOR TO THE ENGLISHt MERSICK C0., OF NEWT HAVEN, CONNECTICUT, A CORPORATIN.

LATCH FOR VEHGLE DOBS.

Application filed February 5, 1925.

T 0 all whom t may concern.

Be it known that l, RICHARD V. linrn'nn, a citizen of the United States,residing` at New Haven, in 'the county ot New Haven and State otConnecticut, have invented a new and useful lmprovement in hatches i'orVehicle Doors; and l do hereby declare the following, when taken inconnection with the accompanying drawings and the characters ot'reference marked thereon, to be a full, clear, and exact description otthe same, and which said drawings constitute part ot'this application,and represent in- Fig. 1 a plan view of a latch 'for vehicle doorsconstructed in accordance with my invention, and shown in the lockedposition.

Fig. 2 an edge view oit the same, with the operatingdever partly insection.

Fig. 8 a sectional view on the line 3-3 of Fig. 1.

Fig. 4c a p-lan view with the latch-bolt in its retired position.

Fig. 5 a perspective view of the locking' slide, detached.

This invention relates to improvement in' latches for vehicle doors, andparticularly to latches which are provided with means whereby thelatch-bolt may be loclied in its thrown position, so that the doorcannot be opened 'from the outside without a lrey. rlhe object of theinvention is to provide a simple arrangement of vehicle door latches inwhich the latch-bolt may be positively locked in its thrown position,and means mounted in the latch-operatingv lever 'for moving' thelatch-locking` mechanism into position, and the invention consists inthe Construction as hereinafter described and particularly recited inthe claims.

In carrying out my invention, l employ a latch-bolt 10, adapted to bethrown forward by a spring 11 and retired by means of a lever 12 acting'against a projection 13 at the rear of the bolt, or by means of a handleroll-back 111 co-acting with a projection 15 near the forward end ot thebolt, this roll-back 14 being, adapted to be turned by theusual handlearranged outside the door and provided with a spindle 16 litting the hubof the roll-back for turning it. Above the roll-back and adapted to bemoved downwardly in rear thereof is a locking-slide 17, mounted on acase-plate 18 and guided for vertical movement by a .guide Serial o.6,923.

19. rlhis locliingslide is formed with a cam-surface 20 ln'ojectingiint-o the path of cam 21 and mounted on a hey-operated spindle 22 ofusual construction. The arm 23 oi the locking-slide is termed in itsunder-side with a cani to be engaged by a stud 25 on the lever 12. Onthe lever 12 is a slide 26 guided tor vertical movement on the lever andprovided with a lip 27 to engage with the upper edge ot the arm 23 otthe locking-slide. The upper end ot the lever is bored out to Yform atubular chainber tifo" the reception ci a push-pin 29 which is providedwith a I nishbutton 30 in an ornamental tip 31 secured to the upper endof the lever 12, which lever isfnormally thrown forward under tension aspring` 32. The latch-bolt 10 can be operated in the usual way, eitherby swingingl the lever 12 rearward, so that it engages with theprojection 13, or by turning' the roll-back 141 through the handle onthe outside o1' the door. To lock the latch-bolt, however, in itsprojected position, the pnshbutton 29 is forced downward and the slide26, engaging with the arm 23 of the locking-slide, forces thatlocking-slide downward into the path ot the roll-back 1li, so that, whenthe lockingslide is depressed, the latch-bolt cannot be moved from theoutside. The lockingslide, however, can be withdrawn by the rearwardmovement oit the lever, which causes the stud 25 to engage with thecam-- edge 21, and thus raises it, and` in this raising, the slide-arm23, engaging` with the lower end of the lever-slide 26, raises thatslide, and hence again projects the pushbutton 29 above the upper end ofthe the lever-tip, in position for again depressing; the locking-slidewhen so desired.

The locking-slide may also be depressed from the outside by turning` thekey-spindle 22, causing the cam 21 to engage with the cam-projection 20,and thus depressing,` the lockingslide into the path of the roll-- back14.

l thus provide a. latch for vehicle doors with means operated bypushbutton in the lever to project the sliding' block into the path ofthe roll-bach, so as to prevent the movement of that roll-bacl from theoutside ot the door, and by the usual movement oit the lever inwithdrawing the latch-bolt, the push-pin is re-set into operativeposition.

I claim:

1. In a latch, the combination with a latch-bolt provided at its rearand near its forward end with projections, of a swinging lever engagingwith the rear projection, a handle-operated roll-back adapted to engagewith the forward projection, a lockingslide arranged above the roll-backin the path thereof, and a push-button mounted in the lever and adaptedto depress said locking-slide into the path of the roll-back.

2. A latch, comprising a latch-bolt, and formed at its rear with anupward projection and near its forward end with an upward projection, ahandle-operated roll-back adapted to engage the forward projection forretracting` the bolt, a pivotally-mounted lever adapted to engage withthe rear projection of the latch-bolt for retracting the saine, saidlever provided with a stud, a slide mounted on said lever, a push-pinmounted in the upper end of said lever and adapted to engage with saidslide, whereby the slide may be depressed, said slide formed at itslower end with a lip, a verticallymovable slide mounted in the plane ofthe roll-back and formed with a rearwardlyextending arm passing betweenthe stud on the lever and the lip on the lever-slide, said arm formedwith a cam-surface to co-act with said stud.

3. A latch, comprising a latch-bolt, and formed at its rear with anupward projection and near its forward end with an upward projection, ahandle-operated roll-back adapted to engage the forward projection forretracting the bolt, a pivotally-mounted lever adapted lto engage withthe rear projection of the latch-bolt for retract-ing the same, saidlever provided with a stud, a slide mounted on said lever, a push-pinmounted in the upper end of said lever and adapted to engage with saidslide, whereby the slide may be depressed, said slide formed at itslower end with a lip, a verticallymovable slide mounted in the plane ofthe roll-back and formed with a rearwardlyextending' arm passing betweenthe stud on the lever and the lip on the lever-slide` said arm formedwith a cam-surface to co-act with said stud, said slide formed in itsforward edge with a Cain-surface, and a keyoperated cam adapted toco-act therewith for depressing the said locking-slide.

In testimony whereof, I have signed this specification.

RICHARD V. KAIMER.

